EP4026325A4 - RESTRICTED CROSS-COMPONENT ADAPTIVE LOOP FILTERING METHOD AND APPARATUS FOR VIDEO CODING - Google Patents
RESTRICTED CROSS-COMPONENT ADAPTIVE LOOP FILTERING METHOD AND APPARATUS FOR VIDEO CODING Download PDFInfo
- Publication number
- EP4026325A4 EP4026325A4 EP20865495.4A EP20865495A EP4026325A4 EP 4026325 A4 EP4026325 A4 EP 4026325A4 EP 20865495 A EP20865495 A EP 20865495A EP 4026325 A4 EP4026325 A4 EP 4026325A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- video coding
- loop filtering
- adaptive loop
- component adaptive
- constrained cross
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003044 adaptive effect Effects 0.000 title 1
- 238000001914 filtration Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/117—Filters, e.g. for pre-processing or post-processing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
- H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962900702P | 2019-09-16 | 2019-09-16 | |
US201962940321P | 2019-11-26 | 2019-11-26 | |
US201962954024P | 2019-12-27 | 2019-12-27 | |
US202062956356P | 2020-01-02 | 2020-01-02 | |
US17/021,050 US11202068B2 (en) | 2019-09-16 | 2020-09-15 | Method and apparatus of constrained cross-component adaptive loop filtering for video coding |
PCT/CN2020/115570 WO2021052361A1 (en) | 2019-09-16 | 2020-09-16 | Method and apparatus of constrained cross-component adaptive loop filtering for video coding |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4026325A1 EP4026325A1 (en) | 2022-07-13 |
EP4026325A4 true EP4026325A4 (en) | 2023-05-31 |
Family
ID=74869977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20865495.4A Pending EP4026325A4 (en) | 2019-09-16 | 2020-09-16 | RESTRICTED CROSS-COMPONENT ADAPTIVE LOOP FILTERING METHOD AND APPARATUS FOR VIDEO CODING |
Country Status (6)
Country | Link |
---|---|
US (1) | US11202068B2 (zh) |
EP (1) | EP4026325A4 (zh) |
KR (1) | KR20220046686A (zh) |
CN (2) | CN114430903B (zh) |
TW (1) | TWI751703B (zh) |
WO (1) | WO2021052361A1 (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3928524A4 (en) * | 2019-04-15 | 2022-06-22 | Beijing Bytedance Network Technology Co., Ltd. | TIME PREDICTION OF PARAMETERS IN A NONLINEAR ADAPTIVE LOOP FILTER |
WO2021027774A1 (en) | 2019-08-10 | 2021-02-18 | Beijing Bytedance Network Technology Co., Ltd. | Subpicture dependent signaling in video bitstreams |
BR112022006387A2 (pt) | 2019-10-02 | 2022-07-26 | Beijing Bytedance Network Tech Co Ltd | Método e aparelho de processamento de vídeo, e, meio legível por computador |
CN114631317B (zh) * | 2019-10-18 | 2024-03-15 | 北京字节跳动网络技术有限公司 | 子图片的参数集信令中的语法约束 |
WO2021083257A1 (en) | 2019-10-29 | 2021-05-06 | Beijing Bytedance Network Technology Co., Ltd. | Cross-component adaptive loop filter |
CN115176480A (zh) * | 2019-12-18 | 2022-10-11 | 北京达佳互联信息技术有限公司 | 用于视频编解码的跨分量自适应环路滤波器 |
EP4087243A4 (en) * | 2019-12-31 | 2023-09-06 | SZ DJI Technology Co., Ltd. | LOOP FILTRATION METHOD AND APPARATUS |
WO2021195500A1 (en) * | 2020-03-26 | 2021-09-30 | Alibaba Group Holding Limited | Method and apparatus for cross component filtering |
WO2024146624A1 (en) * | 2023-01-06 | 2024-07-11 | Mediatek Inc. | Method and apparatus for adaptive loop filter with cross-component taps for video coding |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4029272A1 (en) * | 2019-09-11 | 2022-07-20 | SHARP Kabushiki Kaisha | Systems and methods for reducing a reconstruction error in video coding based on a cross-component correlation |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9094658B2 (en) | 2010-05-10 | 2015-07-28 | Mediatek Inc. | Method and apparatus of adaptive loop filtering |
WO2012092841A1 (en) * | 2011-01-03 | 2012-07-12 | Mediatek Inc. | Method of filter-unit based in-loop filtering |
US10129540B2 (en) | 2012-04-10 | 2018-11-13 | Texas Instruments Incorporated | Reduced complexity coefficient transmission for adaptive loop filtering (ALF) in video coding |
US20140301463A1 (en) * | 2013-04-05 | 2014-10-09 | Nokia Corporation | Method and apparatus for video coding and decoding |
US10200700B2 (en) * | 2014-06-20 | 2019-02-05 | Qualcomm Incorporated | Cross-component prediction in video coding |
US20180041778A1 (en) * | 2016-08-02 | 2018-02-08 | Qualcomm Incorporated | Geometry transformation-based adaptive loop filtering |
US10419757B2 (en) * | 2016-08-31 | 2019-09-17 | Qualcomm Incorporated | Cross-component filter |
US10506230B2 (en) * | 2017-01-04 | 2019-12-10 | Qualcomm Incorporated | Modified adaptive loop filter temporal prediction for temporal scalability support |
US11102483B2 (en) * | 2019-05-17 | 2021-08-24 | Panasonic Intellectual Property Corporation Of America | System and method for video coding |
-
2020
- 2020-09-15 US US17/021,050 patent/US11202068B2/en active Active
- 2020-09-16 WO PCT/CN2020/115570 patent/WO2021052361A1/en unknown
- 2020-09-16 CN CN202080056853.0A patent/CN114430903B/zh active Active
- 2020-09-16 EP EP20865495.4A patent/EP4026325A4/en active Pending
- 2020-09-16 CN CN202310517269.6A patent/CN116389736A/zh active Pending
- 2020-09-16 TW TW109131858A patent/TWI751703B/zh active
- 2020-09-16 KR KR1020227009502A patent/KR20220046686A/ko unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4029272A1 (en) * | 2019-09-11 | 2022-07-20 | SHARP Kabushiki Kaisha | Systems and methods for reducing a reconstruction error in video coding based on a cross-component correlation |
Non-Patent Citations (2)
Title |
---|
BUDAGAVI (TI) M: "AHG6: Simplification of ALF filter coefficients coding", no. JCTVC-I0346, 29 April 2012 (2012-04-29), XP030234026, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jct/doc_end_user/documents/9_Geneva/wg11/JCTVC-I0346-v3.zip JCTVC-I0346-r1.doc> [retrieved on 20120429] * |
MISRA (SHARPLABS) K ET AL: "CE5-Related: Reducing multiplier count in CC-ALF", no. JVET-P0468 ; m50436, 5 October 2019 (2019-10-05), XP030217400, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/16_Geneva/wg11/JVET-P0468-v3.zip JVET-P0468-v3.docx> [retrieved on 20191005] * |
Also Published As
Publication number | Publication date |
---|---|
US20210084295A1 (en) | 2021-03-18 |
WO2021052361A1 (en) | 2021-03-25 |
TWI751703B (zh) | 2022-01-01 |
TW202114416A (zh) | 2021-04-01 |
CN116389736A (zh) | 2023-07-04 |
CN114430903A (zh) | 2022-05-03 |
US11202068B2 (en) | 2021-12-14 |
KR20220046686A (ko) | 2022-04-14 |
CN114430903B (zh) | 2023-10-13 |
EP4026325A1 (en) | 2022-07-13 |
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Ipc: H04N 19/82 20140101ALI20230426BHEP Ipc: H04N 19/70 20140101ALI20230426BHEP Ipc: H04N 19/186 20140101ALI20230426BHEP Ipc: H04N 19/117 20140101AFI20230426BHEP |
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